[RFC PATCH 04/12] Docs/admin-guide/mm/damon/usage: update for nr_snapshots damos stat

SeongJae Park
2025-11-23T18:43:45Z

Update DAMON usage document for the newly added damos stat,
nr_snapshots.

Signed-off-by: SeongJae Park <sj@kernel.org>
---
Documentation/admin-guide/mm/damon/usage.rst | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index 9991dad60fcf..d0944bd78964 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -87,7 +87,7 @@ comma (",").
│ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,min,max
│ │ │ │ │ │ │ :ref:`dests <damon_sysfs_dests>`/nr_dests
│ │ │ │ │ │ │ │ 0/id,weight
- │ │ │ │ │ │ │ :ref:`stats <sysfs_schemes_stats>`/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds
+ │ │ │ │ │ │ │ :ref:`stats <sysfs_schemes_stats>`/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds,nr_snapshots
│ │ │ │ │ │ │ :ref:`tried_regions <sysfs_schemes_tried_regions>`/total_bytes
│ │ │ │ │ │ │ │ 0/start,end,nr_accesses,age,sz_filter_passed
│ │ │ │ │ │ │ │ ...
@@ -543,9 +543,9 @@ online analysis or tuning of the schemes. Refer to :ref:`design doc

The statistics can be retrieved by reading the files under ``stats`` directory
(``nr_tried``, ``sz_tried``, ``nr_applied``, ``sz_applied``,
-``sz_ops_filter_passed``, and ``qt_exceeds``), respectively. The files are not
-updated in real time, so you should ask DAMON sysfs interface to update the
-content of the files for the stats by writing a special keyword,
+``sz_ops_filter_passed``, ``qt_exceeds`` and ``nr_snapshots``), respectively.
+The files are not updated in real time, so you should ask DAMON sysfs interface
+to update the content of the files for the stats by writing a special keyword,
``update_schemes_stats`` to the relevant ``kdamonds/<N>/state`` file.

.. _sysfs_schemes_tried_regions:
--
2.47.3